The study had been conducted in a region of Gibraltar /map/ in 2009-2012. Antonio-Román Muñoz presented some results at the Conference on Wind Power and Environmental Impacts Stockholm 5-7 Feb 2013. Also you can get general ideas about the main research directions of the group of Spanish biologists:

Please pay attention to bibliographical information and the Spanish summary of the following article written by Beatriz Yáñez and others. It concerns presence of Invertebrates in diet of Short-toed Eagle in the Gibraltar region /map/: